Perhaps you should try some spelling variations:
progressive transformation » projective transformation, projective transformations, productive transformation
processing transformation » processing transportation, process transformation, processes transformation
progressive deformation » progressive depreciation, progressive relaxation, progressive education

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((progressive deformation) OR (((progressive transformation) OR (processing transformation)))) patriots.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((progressive deformation) or (((progressive transformation) OR (processing transformation)))) patriots".
• Adding a wildcard symbol may retrieve word variants: ((progressive deformation) or (((progressive transformation) OR (processing transformation)))) patriots*.